Key Specifications Feature Detail Medium Air and other non-corrosive, non-combustible gases Selectable Measuring Ranges –100…+100 Pa, 0…100 Pa, 0…250 Pa, 0…500 Pa, 0…1 000 Pa, 0…1 500 Pa, 0…2 000 Pa, 0…2 500 Pa Output Signal 0–10 V DC or 4–20 mA (user-selectable) Supply Voltage 24 V DC / 24 V AC Display Integrated LCD for real-time pressure indication Typical Applications HVAC systems, clean-room pressure control, filter monitoring, fan and duct pressure measurement Mounting Compact housing for easy wall or duct installation Protection Class Typically IP54 (depending on model configuration) Summary The HK Instruments DPT2500-R8 is a versatile differential pressure sensor designed for air and neutral gases. It offers eight selectable measuring ranges up to 2 500 Pa, operates on 24 V DC/AC, and provides either 0–10 V or 4–20 mA output. With its integrated LCD display, it is ideal for HVAC and building automation applications requiring accurate and easy-to-read low pressure monitoring.